Apparatus for feeding semiliquid materials.



A. SGHKPl-"ER (SE A. SGHRUDER.

APPARATUS FOR FEEDING SEMILIQUID MATERIALS.

APPLICATION FILED FEB.21, 1912.

Patented Dec. 23, 1913.

2 SHEETSSHEBT l.

A. SGHAFFER 6a A SGHRUDEIL APPARATUS FOR FEEDING SBMILIQUID MATERIALS.

APPLICATION FILED FEB.2],1912. 13 2 28.? Patented me. 23, 1913.

2 SHBETSSHBET 2.

sorirriss oxen sonlirrnn AND nee-n "wy i uq i. sin i o il ECHRif EEE, 01" GGPEIIHAGEN, DENM'XKETI.

specifiers oi Leisure Patent.

Fo henited B ee. 19.1

To all whom it may concern Be it known that: we, Annie Scrriirrnn and Anon Someone, subjects of the. King; of Denmark, residing in Copenhagen, Denmark, have invented certain new and useful Improvements in ripper-sins for Feeding Somiliqnid Materials, of which the folioiving is e specification, reference being had so the accompanying drawings, which form a. part hereof. I

In the manufacture oi" Portland cement loy she-use oi the wet process in. the prepaid tory treatment of the row moieriol it; is i 1'; desirable that the slurry,v or row conic .i in a thick, creamy condition, shall he fed into the kilns with a degree of uniformity which it hos been very difiicnlt to attain with the feeding devices heretofore employed.

It, is therefore the object of this invention to provide an improved zippers-ms by which the slurry shall be fed inio one or more kilns with uniformity, While at the same time the feed can be discontinued or renewed instantly Without interfering with or chsnging the adjustment of the feed rcgdi ehing devices when they have once heen set for the desired rate of feed.

Although the invention has been devised with especial reference to the feeding of slurry is Wiii nevertheless be apparent than; the improved apparatus is cspshle M epplicotion to the feeding of any se1ni-iiqnid material for any purpose.

The invention will be more fully ex.- plsined hereinafter with reference to the sccomp-shying drawings in -which it is illuserased and in which-- Figure 1 is a. view partly in e evation and partly in vertical section showing an apperorus designed for the feeding of slurry which embodies the invention. Fig. 2 is s top view oi? the apparatus shown in Fig. 1.

At a. convenient point,

other semi-liquid moterisl is to be fed, 15 located o took a. of suitable capacity which is divided longitudinally by o perforated partition or screen b to form a receiving com portmeni; c and e discharging or distrihn'o ing compartment (1. Theslurry is delivered to the receiving compartment 0, preferably in an amount slightly in excess of the discharge from the compartment d, by a feed pipe e from any suitable source. The feed pipe 6 terminaies in the bottom of the coinpartment a, While an overflow pipe 1 is exsnitohly elevated above the devices to which the slurry or pended through compartment 0 to o, sci the bottom so that the is suppiied so the com turn to the source of pipe f and the volume ceiving choinher c be his o. suhstsncioliy uniform .3 5 uniform. rote shroud; larger hard in occompsrinoent Li CW1 vided, tr being shown. in the bottom oi pertinent o3 ispinced s. g which is preside in its bullion] with 4 150 or more food openings (shown in Fig I; of any suitable shope and. Ye. in the end 'WililS, of the crou h is mounted e lllifil is, which may he row 'i by any suitable inns and is errned for each iced openin g. s, huh h which carries an ohlnp blade The edge of each blade renged to sweep across the correspondi 9 opening 9*,ciose to the bottom of the inn p so that such. opening is kept free and prevented from beingclosed by the iodgnient of solid masses in hhe opening. Eachv openng 57' is also provided th valve 2' for varying the effective ules of the opening and so regulating the feed ol1QI il1FOl2 !h.. in the construction shown the valve *i is n slide valve carried by :i. screw threaded stem. 71' on which is mounted s, hand whecl i for adjusting the valve. An indicolor' 5 may be connected ho cnch valve to show irs relative position.

The funnel is below each opening conducts the material which is delivered here from to e. swinging nozzle Z which may he pivotnliy hung upon the funnel 7:. An arm Z secured to the nozzie Z may have a. sliding weight Z and may have connected there to a. chain Z so ihec the nozzle can he swung in one direction or the other from n disi-oni; point, such as the hiring end of a. rotary kiln. The material is delivered by the nozzle 1 into a tank m which divided by a partiiion m to form two compartments m and 11 The compartment wa is connected by a pipe m with the overflow pipe f so that when the nozzle Z is swung so as to direct .t-he material into i e compartment 71 i such material will be returned w the spiiice of supply from which the compartment 0 of ting", comfling trough the tank a-is fed.

The compartment of the tank m is arranged to deliver the material through a pipe m into a tank 11, which is provided with a measuring vessel 77/ and an overflow passage 02?. The measuring vessel n has in its bottom a discharge opening it for which is provided a valve n carried by a rod n which is connected to the operating lever n. The material received in the tank 72, Whether it passes through the overflow passage or through the outlet of of the measuring vessel, is delivered through a discharge pipe 0 to the kiln or other place of deposit of the slurry or other material. The measuring vessel is provided in order that the rate of flow of the material may be determined at any time,

- for by closing the opening it by the valve n and noting the time required for the filling of the measuring vessel 01 the volume of the material delivered in a given time, that is, the rate of flow can be measured readily.

The operation of the device ivill now readily be understood. The slurry or other material is delivered through the feed pipe 6 into the receiving compartment 0 at a rate of flow somewhat greater than is required and soon as the material accumulates in the tank a to the height of the top of the overflow pipe f the excess of material, above that required, will overflow through the pipe f and return to the source of supply.

The screen I) permits the passage of only that portion of the material which is of proper consistency and prevents the passage of hard masses, dirt and foreign substances which might tend to clog the openings g ,of the distributing trough and change the rate of flow. \Vhen the material in the equalizing tank a has reached the height of the overflow pipe f a constant head 'quentlv a constant rate of flow from the disthereafter maintained and consetribinino' trou h. Each of the oienings o h a 9 can be varied by its respective valve 2' to regulate the rate of flow therefrom to the corresponding kiln or other place of deposit ot the material according to requirements. As already described, the rate of flow can be measured at any time in the rank a without causing more than a brief enter-mission of the flow and Without varying the'amount of llow in a given period of a time. If it is desired at" any time to discontinue the feed to. "a certain kiln, for exfrom which it returns by way of the pipe "m and the pipe f to the source of supply. erestored instantly by again The feed may raising the weighted arm Z and causing the nozzle Z to direct the material again into the v compartment of. 3 7

It will be understood that the apparatus may be arranged for delivery of material toone orseveral kilns or points of deposit and that the form and proportions of the various parts of the apparatus may be varied to suit different conditions of use.

The invention, therefore, is not restricted to the particular construction and arrangement shown and described herein.

'We claim as our in'vent-ion:-''

1. Apparatus for feeding semi-liquid inaterials comprising a tank, means to supply the material to said tank and to maintain it at a uniform height, a discharge trough in connection with the tank having-a series of discharge openings therein, a shaft having a series of blades to sweep across said discharge openings, and means to conduct the'm aterial from said dischar to the places of use.

2. Apparatus for feeding semi-liquid materials comprising "a tank, a supply pipe for said tank, an overflow pipe extended upward into said tank, said tank having a discharge opening, a swinging nozzle to receive the material from said discharge opening, and a plurality of receptacles into which the material may be discharged by said swinging nozzle, one of said receptacles being connected to said overflow pipe.

lhis specification signed and witnessed this 3rd day of February A. D., 1912.

AXEL 'sorntirrnn. AAGE SCHRODER.

Signed in the presence of Gun. ENGELHART, YVILH. OLSEN. 

